Whatever size you want them to be.
Whatever size you want them to be.
Whatever size you want them to be.
The size of each column will determine the width of the column in the table. Adjusting the size of each column allows you to control how much space each column takes up in the table, making it easier to display information in a structured and organized way.
In a Microsoft Access table each column shows the information in a field. Each row shows a record.
They are the vertical columns on the Periodic Table. Each column (top to bottom) is considered to be a group or family.
The columns represent groups or families of elements. There are 18 of them.
they are called groups or families
Each column in a database table represents an attribute reg. the data that is held in that table. For ex: Table Employee can contain employee number, name, age, date of joining etc. Each of these items would be stored as individual columns in the Employee table.
Each column in a database table represents an attribute reg. the data that is held in that table. For ex: Table Employee can contain employee number, name, age, date of joining etc. Each of these items would be stored as individual columns in the Employee table.
A table is in 1NF (First Normal Form) when each column contains atomic values (indivisible values), there are no repeating groups of columns, and each row is unique.
Whatever size you want them to be.
A "family" of elements means the vertical columns in the periodic table. If you look above the periodic table, there will be numbers for each row, numbered from 1 to 18. Each "family" is a column.